I've been carbon-free for a while now. 30% water changes every 5-7 days.
When I used carbon the tanks were absolutely odor free. They still are, almost.
If I stick my nose right near the water I get a little bit of odor. Not bad, kind of like the streams these critters live in.
I'd like to add a small bag to the HOB filters for about a week every 3-4 months.
I'm tired of paying super high prices at fish stores so I contacted Culligan; $175 for one cubic foot of GAC. Not cheap, but better than at the LFS.
Anyone know of a better source for GAC?

Granulated activated carbon in filters
Started by
Guest_Sombunya_*
, Jul 10 2009 10:59 PM
3 replies to this topic
#1
Guest_Sombunya_*
Posted 10 July 2009 - 10:59 PM
#2
Guest_PhilipKukulski_*
Posted 12 July 2009 - 07:46 PM
I don't snort or sniff my water
and save all my activated carbon money;
No carbon for a dozen years.
80% water change every 3 weeks.
and save all my activated carbon money;
No carbon for a dozen years.
80% water change every 3 weeks.
#3
Guest_ashtonmj_*
Posted 12 July 2009 - 08:44 PM
What's the cost benefit for GAC in filter media vs. X % (50, 75, 80) water changes every two weeks? City water isn't exactly cheap and not everyone has well water or access to water collection/storage.
#4
Guest_PhilipKukulski_*
Posted 12 July 2009 - 09:19 PM
What's the cost benefit for GAC in filter media vs. X % (50, 75, 80) water changes every two weeks? City water isn't exactly cheap and not everyone has well water or access to water collection/storage.
Yes, I would like to see the results if someone does this study.
I would be interested in a study based on water for healthy fish,
not removing color from the water
and not removing smells that effect humans and not fish.
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